Hydrochloric acid is necessary in the stomach for the conversion of pepsinogen into its active protein-digesting form called ________
A) pepsin
B) rennin
C) amylase
D) peptidase
A
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An inhaler used to treat airway constriction in asthma or allergy might contain a drug that
A) activates ?1 adrenergic receptors. B) activates ?2 adrenergic receptors. C) activates muscarinic cholinergic receptors. D) blocks ?2 adrenergic receptors. E) activates ?2 adrenergic receptors or activates muscarinic cholinergic receptors.
This figure shows superficial and deep arm muscles. What muscle does number 1 indicate?
A. Biceps brachii B. Brachialis C. Coracobrachialis D. Brachioradialis E. Triceps brachii
Which of the following statements about the female reproductive process is not true?
A) Rebuilding the endometrium is under the control of prolactin. B) The monthly discharge of the uterus (menses) is initiated by the decrease in secretion of female hormones. C) Ovulation usually occurs 14 days after the beginning of menses. D) Fertilization usually occurs in the fallopian tube.
Atropine ____ the effect of acetylcholine at ____ receptors and ____ ____ receptors
a. blocks; muscarinic; does not affect; nicotinic b. enhances; muscarinic; does not affect; nicotinic c. blocks; nicotinic; does not affect; muscarinic d. enhances; nicotinic; does not affect; muscarinic e. blocks; muscarinic; enhances; nicotinic